package _1顺序结构;构


public class SequenceDemo {

	public static void main(String[] args) 
	{
	
//		System.out.println("ʼ");
//		
//		System.out.println("1");
//		System.out.println("2");
//		System.out.println("3");
//		
//		System.out.println("");
		
		
		int a = 10;
		int b = 20;
		
		int result = a + b;
		
		System.out.println(result);
	}

}

